Char Matcher Trim From 

Google Guava is a java library with lot of utilities and reusable components. This requires the library guava-10.0.jar to be in classpath. The following example shows using CharMatcher.trimFrom() API. It returns a string by removing matching characters from the beginning and from the end of the string.

File Name  :   com/bethecoder/tutorials/guava/base_tests/CharMatcherTrimTest.java  Author  :   Sudhakar KV Email  :   [email protected]

package com.bethecoder.tutorials.guava.base_tests; import com.google.common.base.CharMatcher; public class CharMatcherTrimTest {   /**    * @param args    */   public static void main(String[] args) {     System.out.println(CharMatcher.JAVA_LETTER.trimFrom("abc1234xyz"));     System.out.println(CharMatcher.JAVA_LETTER.trimFrom("abc12aaaa34xyz"));     System.out.println(CharMatcher.anyOf("zxac").trimFrom("abc12aaaa34xyz"));          String str = "  abcd  ";     System.out.println(CharMatcher.inRange('\0', ' ').trimFrom(str));     System.out.println(str.trim());          System.out.println(CharMatcher.inRange('\0', ' ').trimFrom(str).equals(str.trim()));   } }

1234
12aaaa34
bc12aaaa34xy

abcd
abcd

true